21342240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14821}}^1$

素因数の和:14842

約数の個数: 72

約数和(自身を含む): 72835308

約数和(自身を除く): 51493068

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14821, 29642, 44463, 59284, 74105, 88926, 118568, 133389, 148210, 177852, 222315, 237136, 266778, 296420, 355704, 444630, 474272, 533556, 592840, 666945, 711408, 889260, 1067112, 1185680, 1333890, 1422816, 1778520, 2134224, 2371360, 2667780, 3557040, 4268448, 5335560, 7114080, 10671120, 21342240]

約数ペア:

[(1, 21342240), (2, 10671120), (3, 7114080), (4, 5335560), (5, 4268448), (6, 3557040), (8, 2667780), (9, 2371360), (10, 2134224), (12, 1778520), (15, 1422816), (16, 1333890), (18, 1185680), (20, 1067112), (24, 889260), (30, 711408), (32, 666945), (36, 592840), (40, 533556), (45, 474272), (48, 444630), (60, 355704), (72, 296420), (80, 266778), (90, 237136), (96, 222315), (120, 177852), (144, 148210), (160, 133389), (180, 118568), (240, 88926), (288, 74105), (360, 59284), (480, 44463), (720, 29642), (1440, 14821)]